Backfire Through Complete Longboard 42"*9.5" full maple deck with unique shape, gives 9.6-inches of leverage into every turn, while also eliminating wheel bite;9 ply Canadian Maple deck with bottom rosewood; 70mm wheels 70% rebound, 83A hardness, ideal for downhill carving ABEC-7 special bearing, provides maximum smooth rolling Truck Material: 356-T6 aluminum alloy base plate and hanger, Black Widow Premium Grade OS-800 Black Grip tape;